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How to hide image broken Icon using only CSS/HTML?

...g.jpg'"/> Update You can apply this logic to multiple images at once by doing something like this: document.addEventListener("DOMContentLoaded", function(event) { document.querySelectorAll('img').forEach(function(img){ img.onerror = function(){this.style.display='none';}; }) ...
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ImportError: Cannot import name X

... @user2032433 That really depends on what you mean by 'know each other'. It is true that good design usually produces a tree of one-way dependencies and this is normally the best approach. But there are exceptions to this. C++ classes certainly can refer to one another circul...
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Difference between spring @Controller and @RestController annotation

... //... return instance } } the @ResponseBody is activated by default. You don't need to add it above the function signature. share | improve this answer | fo...
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Is there a way to word-wrap long words in a div?

...herford is looking for a cross-browser way to wrap unbroken text (inferred by his use of word-wrap for IE, designed to break unbroken strings). /* Source: http://snipplr.com/view/10979/css-cross-browser-word-wrap */ .wordwrap { white-space: pre-wrap; /* CSS3 */ white-space: -moz-pre-...
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How do I add an icon to a mingw-gcc compiled executable?

..."Translations" (it's just telling Windows that this program is translated) by just appending WORD, WORD-pairs, for example: VALUE "Translation", 0x409, 1252, 0x809, 1252 would enable both US and UK English according to msdn.microsoft.com/en-us/library/aa381058.aspx. This also tells you that you can ...
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IEnumerable vs List - What to Use? How do they work?

...way. Whenever I'm "stacking" LINQ expressions, I use IEnumerable, because by only specifying the behavior I give LINQ a chance to defer evaluation and possibly optimize the program. Remember how LINQ doesn't generate the SQL to query the database until you enumerate it? Consider this: public IEnum...
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Speed up the loop operation in R

... is it? I run each function for data.frame with nrow from 1,000 to 10,000 by 1,000 and measure time with system.time X <- as.data.frame(matrix(sample(1:10, n*9, TRUE), n, 9)) system.time(dayloop2(X)) Result is You can see that your version depends exponentially from nrow(X). Modified versi...
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When should use Readonly and Get only properties

...utside the class. You can however change the value using methods provided by your class : public class FuelConsumption { private double fuel; public double Fuel { get { return this.fuel; } } public void FillFuelTank(double amount) { this.fuel += amount; ...
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How do I automatically update a timestamp in PostgreSQL

...tamp ) Note that the value for that column can explicitly be overwritten by supplying a value in the INSERT statement. If you want to prevent that you do need a trigger. You also need a trigger if you need to update that column whenever the row is updated (as mentioned by E.J. Brennan) Note tha...
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Best way to show a loading/progress indicator?

...Wait while loading..."); progress.setCancelable(false); // disable dismiss by tapping outside of the dialog progress.show(); // To dismiss the dialog progress.dismiss(); OR ProgressDialog.show(this, "Loading", "Wait while loading..."); Read more here. By the way, Spinner has a different meanin...